Many thanks to Ayako for tweeting the link!
Stara has posted an article about Keanu Reeves and Dogstar’s visit to the Rantarock (Beach Rock) Festival in Vaasa, Finland in 1999. there are four photos with the article that I haven’t run across so they may be new to others as well. the article is in Finnish
Note: Dogstar appeared at the Rantarock on June, 25, 1999. Many thanks to Keanu Reeves Italy who have the complete Dogstar tour schedule posted here. Wikipedia also has a page on Rantarock, including a brief history and a list of all of the participants by years.